Vulnerability identifier: #VU23013

Vulnerability risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2019-18247

CWE-ID: CWE-20

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Relion 670 series
Server applications / SCADA systems
Relion 650 series
Server applications / SCADA systems

Vendor: ABB

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to insufficient validation of user-supplied input. A remote attacker can use a specially crafted message to force the device to reboot and cause a denial of service condition.

This vulnerability affects the following versions of Relion 650 and Relion 670 series:

• Relion 650 series versions 1.3.0.5 and prior
• Relion 670 series versions 1.2.3.18 and prior
• Relion 670 series versions 2.0.0.11 and prior
• Relion 670 series versions 2.1.0.1 and prior

Mitigation
Install updates from vendor's website.

Vulnerable software versions

Relion 670 series: 1.2.3.18 - 2.1.0.1

Relion 650 series: 1.3.0.5

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CPE

• cpe:2.3:a:abb:relion_670_series:*:*:*:*:*:*:*:*
• cpe:2.3:a:abb:relion_670_series:1.2.3.18:*:*:*:*:*:*:*
• cpe:2.3:a:abb:relion_670_series:2.0.0.11:*:*:*:*:*:*:*
• cpe:2.3:a:abb:relion_670_series:2.1.0.1:*:*:*:*:*:*:*
• cpe:2.3:a:abb:relion_650_series:*:*:*:*:*:*:*:*
• cpe:2.3:a:abb:relion_650_series:1.3.0.5:*:*:*:*:*:*:*

External links
http://ics-cert.us-cert.gov/advisories/icsa-19-330-02

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Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.